First pictures of Boston bomb debris released

Debris from the site of the Boston Marathon bombings is being investigated by authorities. Officials say the debris includes nylon, possibly from a backpack, and fragments of metal and nails.

http://www.wcsh6.com/video/2306459391001/0/First-pictures-of-Boston-bomb-debris-releasedhttp://bc_gvpc.edgesuite.net/img/963482463001/201304/2601/963482463001_2306389484001_thumbnail-for-video-2306458960001.jpg?pubId=963482463001First pictures of Boston bomb debris releasedDebris from the site of the Boston Marathon bombings is being investigated by authorities. Officials say the debris includes nylon, possibly from a backpack, and fragments of metal and nails.vpcbestblack nylonFBI investigationboston bomb debrisboston bombsReutersboston marathon explosionsvpcNational Newsboston marathon bombingsrichard deslauriers00:48